Port 1873

Modified by:

Port 1873 is commonly used for communication between MQTT (Message Queuing Telemetry Transport) clients and brokers. MQTT is a lightweight messaging protocol designed for communication between Internet of Things (IoT) devices. Port 1873 is specifically used for MQTT Secure (MQTT-S) communication over SSL/TLS.

Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.

Official

Port
Protocol (TCP/UDP)
Title
Description
Port Type
Port 1873
tcp
fjmpjps
Fjmpjps
REGISTERED PORT
Port 1873
udp
fjmpjps
Fjmpjps
REGISTERED PORT

UnOfficial

Unofficialy or sometimes with conflict, the same port may be used by different applications.

Port Protocol (TCP/UDP) Description
TCP UDP Ports
Other ports
Port 8243
Port 8243 is typically used for secure communication over HTTPS (HTTP over Secure Socket
Port 1973
Ports those registered with IANA are shown as official ports. The same port number
Port 1572
Port 1572 is commonly used for the remote procedure call (RPC) functionality in Microsoft
Port 16368
Ports those registered with IANA are shown as official ports. The same port number
Port 1951
Port 1951 is typically used by IBM Tivoli Continuous Data Protection for Files software
Port 6408
Port 6408 is not assigned for any specific service or application by the Internet
Ports 45400 – 45500
Port 45400- Port 45500 Port 45500- Port 45600 Port 45600- Port 45700 Port 45700-
Port 1803
Port 1803 is used for a variety of purposes, including remote assistance and management
Port 9390
Ports those registered with IANA are shown as official ports. The same port number
Port 2212
Port 2212 is typically used for secure shell (SSH) service, which is a protocol
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